The closer a planet is to the Sun, the its orbital motion is, and the the gravitational force between the planet and the Sun is.

What do restriction enzymes do? A. They cut strands of DNA at specific sites. B. They separate DNA fragments so they can be seen C. They make one DNA sample into many copies. D. They illustrate which chromosomes are present.

Which term means a pulling force exerted on a limb in a distal direction in an effort to return the bone or joint to normal alignment?

A genetic trait that appears in every generation of offspring is called?

Recent work in classification of life on Earth has shown that what were once called prokaryotes are much more diverse than ever suspected.

During photosynthesis, which step is most responsible for a plant's formation of new organic material?

A high school biology teacher asks her students to collect daily rainfall amounts at each of their homes during the summer. The results will be collected and used to establish a baseline for local weather patterns.

In an ecosystem snakes eat salamanders, and salamanders eat earthworms. How would the ecosystem be affected if a large number of snakes are caught and moved out of the region as a part of a conservation program?

Which conditions occurs when the bronchial tubes are inflamed and

Chromosomes uncoil and become chromatin in in which stage of the cell cycle

As part of the human immune response which of these cells are responsible for producing antibodies